Mohammed N. S. Al Saadi
Postgresql Jsonb
Postgresql Jsonb
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A reference book to learn the powerful Postgresql Jsonb ..for those who wish to improve their work in database development.
An in-depth, by examples ,look to the forgotten powerful tool .The jsonb type,
We will learn 'Jsonb' type true usefulness when we have complex tables with complex columns that contains composite data types, where conventional build of columns is of no use , and use of 'Jsonb' is the solution.
In this book chapters we will get to know the:
1- Build of a jsonb .
2- The operators used in queries, and their uses.
3- How to run complex queries on columns with composite types.
4- How to run different types of functions on jsonb columns(creation, testing and processing functions).
5- Then we learn the powerful jsonb subscripting , that will makes complex data queries of composite types columns.. as easy as possible.
IN CASE YOU’RE WONDERING.
Frequently asked questions
Shipping
All prints are printed and shipped from Uk .
UK Orders are dispatched by Royal Mail 24, which is a 1 to 3 day service, but not guaranteed. Orders with finishing
International print orders are dispatched by Airmail, delivery times will depend on where the order is being sent;
Europe: 4 to 5 working days.
Rest of the world: 6 to 7 working days.
Please allow up to 25 working days for delivery to Europe and 32 working days for delivery to the rest of the world. These timescales allow for packages to be delivered and held by relevant postal services, before being returned to us, should delivery attempts fail.
Returns
As everything we print is bespoke we do not accept returns. If an item is damaged or lost in transit we will offer a replacement free of charge. A parcel is considered lost if it has not been delivered within 25 working days in Europe and 32 working days for the rest of the world. This timescale allows a parcel to be returned to the sender (us), if this is the case we will contact you and let you know that it has been returned. If incorrect address details have been provided, or your customer has failed to collect the package following delivery attempst no replacement / refund will be offered.
Packaging
Flat Print Wrapping
Sometimes referred to as a back and wrap, our Flat Print Wrapping service is an acid free backing board cut to the same size as your print's overall size, then wrapped in a see through wrap/sleeve.
Eco Wraps
Our biodegradable and compostable wraps for prints are available in 9 standard print sizes, these wraps are made from vegetable (corn/potato) starch and will naturally biodegrade in compost sites, the sleeves themselves have a shelf life of over 12 months. The wraps should be kept in cool and dry conditions as heat and humidity can decrease the life of this product.
Paper
- Hahnemühle William Turner
- Weight, 310gsm
- Texture Textured
- Finish, Matt
- Thickness, 0.62mm
- Whiteness, 4.5
- Acud free, lignin free and free from OBAs.
Wiliam Turner is a beautiful Fine Art paper of extremely high quality. It has a highly pronounced textured surface. Featuring a crisp, clean, and beautifully tactile feel, its premium coating meets the highest standards for colour reproduction and image sharpness. The natural whiteness feel make it preferred among fine artis reproduction paper.